<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>表单域</title>
</head>
<body>
    
    <h1>form表单域form会把他范围内的表单元素信息提交给服务器</h1>
    <h2>action="提交地址", method="提交方式get或者post", name="提交名字"</h2>

    <form action="demo.api" method="post" name="haha"></form>

</body>
</html>